Question 1

The smaller the receptive fields in a region, the

Accepted Answer

A)  greater the density of receptors in the region. 
B)  greater the acuity in the region. 
C)  more cortical space allotted for sensory reception from the region. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  greater the density of receptors in the region. 
B)  greater the acuity in the region. 
C)  more cortical space allotted for sensory reception from the region. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 2

Which of the following statements concerning receptors is correct?

Accepted Answer

A)  the larger the receptor potential, the greater the frequency of action potentials initiated in the afferent neuron. 
B)  tonic receptors often exhibit an "off-response." 
C)  phasic receptors are important in situations where maintained information about a stimulus is valuable. 
D)  receptor adaptation results from nerve fatigue. 
E)  receptors are part of efferent neurons. 
A)  the larger the receptor potential, the greater the frequency of action potentials initiated in the afferent neuron. 
B)  tonic receptors often exhibit an "off-response." 
C)  phasic receptors are important in situations where maintained information about a stimulus is valuable. 
D)  receptor adaptation results from nerve fatigue. 
E)  receptors are part of efferent neurons.

Question 3

Match the following eye disorder with its description.
-corrected by concave lens

Accepted Answer

A) color blindness 
B) night blindness 
C) glaucoma 
D) hyperopia 
E) diplopia
F)presbyopia
G)myopia lens
H)cataract
I)astigmatism 
A) color blindness 
B) night blindness 
C) glaucoma 
D) hyperopia 
E) diplopia
F)presbyopia
G)myopia lens
H)cataract
I)astigmatism

Question 4

Indicate the properties associated with each type of nociceptor by using the answer code below (more than one answer may apply):
-Responds to temperature extremes.

Accepted Answer

A) mechanical nociceptor 
B) thermal nociceptor 
C) polymodal nociceptor 
A) mechanical nociceptor 
B) thermal nociceptor 
C) polymodal nociceptor

Question 5

During accommodation for near vision, the

Accepted Answer

A)  ciliary muscle does not contract. 
B)  lens becomes more convex. 
C)  suspensory ligaments become less taut. 
D)  both (b) and (c) above. 
E)  all of these answers. 
A)  ciliary muscle does not contract. 
B)  lens becomes more convex. 
C)  suspensory ligaments become less taut. 
D)  both (b) and (c) above. 
E)  all of these answers.

Question 6

Afferent input that does not reach the conscious level is

Accepted Answer

A)  somatic. 
B)  proprioceptive. 
C)  somethetic. 
D)  a special sense. 
E)  visceral. 
A)  somatic. 
B)  proprioceptive. 
C)  somethetic. 
D)  a special sense. 
E)  visceral.

Question 7

These cells give rise to the axons of the optic nerve.

Accepted Answer

A)  bipolar neurons. 
B)  convex cells. 
C)  ganglion cells. 
D)  hair cells. 
E)  rods and cones. 
A)  bipolar neurons. 
B)  convex cells. 
C)  ganglion cells. 
D)  hair cells. 
E)  rods and cones.

Question 8

The blind spot

Accepted Answer

A)  is the point on the retina at which the optic nerve leaves and blood vessels pass through. 
B)  contains no rods or cones. 
C)  is in the exact center of the retina. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  is the point on the retina at which the optic nerve leaves and blood vessels pass through. 
B)  contains no rods or cones. 
C)  is in the exact center of the retina. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 9

The point of the retina with the most distinct vision is the ____________________.

Accepted Answer

The answer of The point of the retina with the...

Question 10

The cones and iris are responsible for light refraction.

Accepted Answer

A) True 
 B)False

Question 11

The following questions refer to the accompanying diagram of the eye. Ten of the structure labels have been removed and replaced with letters A-J. Match the letter with list of missing terms below to complete the diagram.
-lens

Accepted Answer

The answer of   
The following questions refer to...

Question 12

All of the following are true statements about sound waves except:

Accepted Answer

A)  they are produced by a disturbance pattern in air molecules. 
B)  they gradually dissipate as they travel from the original sound source. 
C)  the human ear can detect sound waves between 20 and 20,000 cycles per second. 
D)  the average human ear is most sensitive to sound waves with frequencies between 5,000 and 10,000 cycles per second. 
E)  they consist of alternating regions of air compression and rarefaction. 
A)  they are produced by a disturbance pattern in air molecules. 
B)  they gradually dissipate as they travel from the original sound source. 
C)  the human ear can detect sound waves between 20 and 20,000 cycles per second. 
D)  the average human ear is most sensitive to sound waves with frequencies between 5,000 and 10,000 cycles per second. 
E)  they consist of alternating regions of air compression and rarefaction.

Question 13

Which one of the following is an anterior specialization of the choroid layer?

Accepted Answer

A)  aqueous humor. 
B)  ciliary body. 
C)  cornea. 
D)  lens. 
E)  retina. 
A)  aqueous humor. 
B)  ciliary body. 
C)  cornea. 
D)  lens. 
E)  retina.

Question 14

Match the following characteristics with the correct sensory system
-Newly discovered stimulant umani

Accepted Answer

A) pain 
B) vision 
C) hearing 
D) motion/equilibrium 
E) taste
F)smell 
A) pain 
B) vision 
C) hearing 
D) motion/equilibrium 
E) taste
F)smell

Question 15

Night blindness can be caused by excess levels of Vitamin A.

Accepted Answer

A) True 
 B)False

Question 16

Indicate the properties of rods and cones using the following answer code:
-confer color vision

Accepted Answer

A) rods 
B) cones 
C) both rods and cones 
A) rods 
B) cones 
C) both rods and cones

Question 17

The cortical gustatory area is located adjacent to the "tongue" region of the somatosensory cortex.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following structures contributes the most to the total refractive ability of the eye?

Accepted Answer

A)  lens. 
B)  cornea. 
C)  ciliary muscle. 
D)  retina. 
E)  iris. 
A)  lens. 
B)  cornea. 
C)  ciliary muscle. 
D)  retina. 
E)  iris.

Question 19

Axons from retinal ganglion cells form the optic nerve.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following abnormalities could give rise to sensorineural deafness?

Accepted Answer

A)  rupture of the tympanic membrane. 
B)  disease or injury in the organ of Corti. 
C)  restriction of ossicular movement because of adhesions between the bones. 
D)  damage to the occipital lobes of the cortex. 
E)  presbyopia. 
A)  rupture of the tympanic membrane. 
B)  disease or injury in the organ of Corti. 
C)  restriction of ossicular movement because of adhesions between the bones. 
D)  damage to the occipital lobes of the cortex. 
E)  presbyopia.

The smaller the receptive fields in a region, the

Which of the following statements concerning receptors is correct?

Match the following eye disorder with its description. -corrected by concave lens

Indicate the properties associated with each type of nociceptor by using the answer code below (more than one answer may apply): -Responds to temperature extremes.

During accommodation for near vision, the

Afferent input that does not reach the conscious level is

These cells give rise to the axons of the optic nerve.

The blind spot

The point of the retina with the most distinct vision is the ____________________.

The cones and iris are responsible for light refraction.

The following questions refer to the accompanying diagram of the eye. Ten of the structure labels have been removed and replaced with letters A-J. Match the letter with list of missing terms below to complete the diagram. -lens

All of the following are true statements about sound waves except:

Which one of the following is an anterior specialization of the choroid layer?

Match the following characteristics with the correct sensory system -Newly discovered stimulant umani

Night blindness can be caused by excess levels of Vitamin A.

Indicate the properties of rods and cones using the following answer code: -confer color vision

The cortical gustatory area is located adjacent to the "tongue" region of the somatosensory cortex.

Which of the following structures contributes the most to the total refractive ability of the eye?

Axons from retinal ganglion cells form the optic nerve.

Which of the following abnormalities could give rise to sensorineural deafness?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

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Exam 6: The Peripheral Nervous System: Afferent Division and Special Senses

The smaller the receptive fields in a region, the

Which of the following statements concerning receptors is correct?

Match the following eye disorder with its description. -corrected by concave lens

Indicate the properties associated with each type of nociceptor by using the answer code below (more than one answer may apply): -Responds to temperature extremes.

During accommodation for near vision, the

Afferent input that does not reach the conscious level is

These cells give rise to the axons of the optic nerve.

The blind spot

The point of the retina with the most distinct vision is the ____________________.

The cones and iris are responsible for light refraction.

The following questions refer to the accompanying diagram of the eye. Ten of the structure labels have been removed and replaced with letters A-J. Match the letter with list of missing terms below to complete the diagram. -lens

All of the following are true statements about sound waves except:

Which one of the following is an anterior specialization of the choroid layer?

Match the following characteristics with the correct sensory system -Newly discovered stimulant umani

Night blindness can be caused by excess levels of Vitamin A.

Indicate the properties of rods and cones using the following answer code: -confer color vision

The cortical gustatory area is located adjacent to the "tongue" region of the somatosensory cortex.

Which of the following structures contributes the most to the total refractive ability of the eye?

Axons from retinal ganglion cells form the optic nerve.

Which of the following abnormalities could give rise to sensorineural deafness?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters